CRLF Injection

Overview Affected versions of this package are vulnerable to CRLF Injection via insufficient input validation in the DefaultSmtpRequest process. An attacker can inject arbitrary SMTP commands by supplying malicious parameters containing CRLF sequences, allowing the sending of forged emails that...

CVE-2025-59419

Netty CVE-2025-59419 is a CRLF injection vulnerability in the SMTP codec. In Netty versions prior to 4.1.128.Final and 4.2.7.Final, io.netty.handler.codec.smtp.DefaultSmtpRequest concatenates parameters into SMTP commands without sanitization, enabling an attacker-controlled CRLF sequence in reci...